Bergey’s Manual® of Systematic Bacteriology - Whitman, William B.; Bergey, David Hendricks; Garrity, George M.; Vos, Paul De; Garrity, George; Jones, Dorothy; Krieg, Noel R.; Ludwig, Wolfgang; Rainey, Fred A.; Schleifer, Karl-Heinz; Vos, Paul (Springer New York, 2009)